Using a Sturmey-Archer 3-speed sounds like a good idea to me. They have to be built to take pedal power which is a lot harder to absorb than electric motor...
1417
Norm Eyres
eyres@...
May 2, 2001 12:55 am
I think you are being very over optimistic about "Given an average cyclist does about 3/4" hp ", to quote from the Bosch Automotive handbook 3rd edition page...
1418
Ed Armstrong
ed@...
May 2, 2001 1:03 am
I would like to be able to charge my Currie Pro Drive USPD battery pack from my car cigarette lighter while driving. I can wire a switch to switch the ...
1419
Richard
rocwandrer@...
May 2, 2001 6:42 am
Hi, Abbreviated intro: my main aim is to build it for the sake of building it ... Question 1 Anyone recommend a weed wacker or the like that puts a starting ...
1420
Hugh Currin
currinh@...
May 2, 2001 1:08 pm
Richard: ... I believe the better string trimmers have this arrangement. My understanding is that the pull starter on the opposite side from the power take...
1421
Dave Barrett
dave_barrett@...
May 2, 2001 2:39 pm
You definitely don't want to put 10 amps into them constantly, I'd suggest pulse charging the beasts if you want to bang heavy current into them for a ...
1422
Glenn Crosby
glenncrosby@...
May 2, 2001 6:13 pm
For some more information on pulse charging, visit "The Truth About Pulse Technology" on our website, www.rhino-charge.com. /Glenn Crosby/ Rhino-Charge...
1423
Jim Gallant
gallant@...
May 3, 2001 4:44 pm
Just read the power assist FAQ thouroughly for the first time last night, very informative. Slipping roller wheels seems to be a common problems with bicycle...
1424
Ed Armstrong
ed@...
May 3, 2001 5:03 pm
I've been looking for gas powered generators that would output 12VDC. I was thinking that someone may make such a thing to recharge batteries out in the field....
1425
Sell, Ken
ken.sell@...
May 3, 2001 5:07 pm
Hi, I still need to do some quantitative tests with my new Hawker batteries, but I wanted to post my first impressions. The short story is "They're great!". I...
1426
Ray Brown
raycow@...
May 3, 2001 5:11 pm
The V-shaped roller sounds like a good idea, but I think you will find that smooth tires work better than knobbies for friction drive. Also, if you use a ...
1427
curt.onstott@...
May 3, 2001 5:13 pm
What about coupling the motor from a weed eater to an old alternator?...
1428
Tom Genereaux
entropy@...
May 3, 2001 5:19 pm
Since I'm interested in doing the same thing, I have a mechanical question about these - how did you mount them? Tom...
1429
Jim Gallant
gallant@...
May 3, 2001 5:21 pm
I'd take the bearings out of the freewheel and braze it so it won't spin. You may be right about smooth tires. -Jim ... From: Ray Brown...
1430
curt.onstott@...
May 3, 2001 5:27 pm
I just ordered a set and plan on installing them on my Currie bike or my Phat Flyer Scooter. How did you install them on the bike and wire them in? I'm...
1431
Hugh Currin
currinh@...
May 3, 2001 5:27 pm
Jim: ... I'll have to grab a couple of these. :-) ... You may have trouble in bump starting with the deraileur. You might try driving the crank of a bicycle...
1432
Ray Brown
raycow@...
May 3, 2001 5:29 pm
A while back there were some posts about building a similar unit using a a small IC engine and a car alternator. This would be easy for 12V. 24V alternators...
1433
Dave Barrett
dave_barrett@...
May 3, 2001 5:31 pm
Honda and Homelight both have 12v units, the honda has less DC amps but has AC too, and is very quiet (I have one) it outputs 6 amps DC. The Homelight I don't...
1434
Sell, Ken
ken.sell@...
May 3, 2001 5:34 pm
Hi, I've temporarily put them in my saddle bags on the back of my bike. I haven't quite decided yet how I want to permanently mount them. I have a Currie...
1435
Jim Gallant
gallant@...
May 3, 2001 5:37 pm
Ah, good point. Don't know how I missed that one. Guess I could always pull start too. Mind if I ask where you got your pulleys and belts? And how you mounted...
1436
Hugh Currin
currinh@...
May 3, 2001 6:31 pm
Jim: ... I purchased the timing belt pulleys on my assist from Specialty Drive Products but they were spendy. To get the 3/4" wide pulleys I purchased pinion...
1437
Allen, Todd
todd.allen@...
May 3, 2001 7:09 pm
I had a motorcycle, a Kawasaki GPZ 305, that had a toothed drive belt. I loved the belt drive. It was clean, quiet and practically maintenance free, unlike...
Thanks Hugh. I hear these GX engines start usually on the first pull, and with the possible need to start the engine from a standstill (half way up a steep...
1440
Hugh Currin
currinh@...
May 3, 2001 8:25 pm
Todd: I only have my own experience to go by so others will no doubt add information. I understand there are two main line series of timing, or synchronous, ...
1441
Frank Colver
fwcolver@...
May 3, 2001 8:35 pm
Hi Jim, I used it with a tire roller so I can't help you other than to say that I replaced it with Ryobi's second generation 4-stroke which is lighter but only...
1442
Jim Gallant
gallant@...
May 3, 2001 8:49 pm
Why did you replace the gx31? What problems did you find with it? Roller material? Thanks, -Jim ... From: Frank Colver [mailto:fwcolver@...] Sent:...
1443
Tim & Ally Smith
tacsmith@...
May 3, 2001 11:15 pm
This isn't exactly what your asking but I remember seeing a few years ago an amazing range of 240v generators (we have 240 AC in Australia for appliances)...
1444
Tim & Ally Smith
tacsmith@...
May 3, 2001 11:15 pm
We tried that once - connected an old (but big, maybe 15 hp) IC stationary engine to a car alternator. What surprised me was how much HP it takes to drive an...
1445
Colin Dedman
cjd121@...
May 3, 2001 11:29 pm
... Hi, Others suggested pulse charging, which may be a good option for a mains powered charger, but not applicable here where your source is voltage limited...